Cool-hot storage device



FIG. 1 is a perspective view of a cool-hot storage device showing the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view showing a state of use thereof.

The broken lines in FIG. 2 show portions of the cool-hot storage device and form no part of the claimed design. The broken lines shown in FIG. 8 show environment that forms no part of the claimed design. 

CLAIM We claim the ornamental design for a cool-hot storage device, as shown and described. 